/*
 * Copyright (c) 2020 pig4cloud Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.engine4cloud.tdf.auth.support.handler;

import com.engine4cloud.tdf.admin.api.dto.SysLogDTO;
import com.engine4cloud.tdf.common.core.util.WebUtils;
import com.engine4cloud.tdf.common.log.util.SysLogUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.ApplicationListener;
import org.springframework.http.HttpHeaders;
import org.springframework.security.authentication.event.LogoutSuccessEvent;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.preauth.PreAuthenticatedAuthenticationToken;
import org.springframework.stereotype.Component;

/**
 * @author zhangran
 * @date 2022-06-02
 * <p>
 * 事件机制处理退出相关
 */
@Slf4j
@Component
public class TdfLogoutSuccessEventHandler implements ApplicationListener<LogoutSuccessEvent> {

    @Override
    public void onApplicationEvent(LogoutSuccessEvent event) {
        Authentication authentication = (Authentication) event.getSource();
        if (authentication instanceof PreAuthenticatedAuthenticationToken) {
            handle(authentication);
        }
    }

    /**
     * 处理退出成功方法
     * <p>
     * 获取到登录的authentication 对象
     *
     * @param authentication 登录对象
     */
    public void handle(Authentication authentication) {
        log.info("用户：{} 退出成功", authentication.getPrincipal());
        SysLogDTO logVo = SysLogUtils.getSysLog();
        logVo.setTitle("退出成功");
        // 发送异步日志事件
        Long startTime = System.currentTimeMillis();
        Long endTime = System.currentTimeMillis();
        logVo.setTime(endTime - startTime);

        // 设置对应的token
        logVo.setParams(WebUtils.getRequest().getHeader(HttpHeaders.AUTHORIZATION));

        // 这边设置ServiceId
        if (authentication instanceof PreAuthenticatedAuthenticationToken) {
            logVo.setServiceId(authentication.getCredentials().toString());
        }
        logVo.setCreateBy(authentication.getName());
    }

}
